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Finding the Fourth Proportional to 55,470.57, 76,549.91 and 31,596.90

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Solution

The fourth proportional to 55,470.57, 76,549.91 and 31,596.90 is: 43,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,470.57 : 76,549.91 = 31,596.90 : x
  2. Step 2: Convert to fraction form
    55,470.57/76,549.91 = 31,596.90/x
  3. Step 3: Cross multiply
    55,470.57x = 76,549.91 × 31,596.90
  4. Step 4: Simplify right side
    55,470.57x = 2,418,739,693.29
  5. Step 5: Solve for x
    x = 2,418,739,693.29/55,470.57
  6. Step 6: Final answer
    x = 43,604.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.